hitachi — removal

1B-8 Mechanical (4HK1) 1. Remove the fuel pipe from the fuel supply pump and the common rail assembly. Note Remove the clip. Caution Do not reuse the gasket. 14. Fuel leak off pipe assembly removal 1. Disconnect the fuel leak-off pipe from the cylinder head assembly. 2. Remove the fuel leak-off pipe from the fuel supply pump. Note Remove the eyebolt tightened together with the fuel feed pipe. 12. Injection pipe removal 3. Disconnect the fuel leak-off pipe from the common rail assembly. 1. Remove the clip from the bracket. 2. Remove the injection pipe from the injector and the common rail assembly. 4. Remove the fuel leak-off pipe from the case. Note Remove the clip.

Caution Do not reuse the removed injection pipe. Seal the common rail and injector to prevent foreign material from entering. 1. Common rail assembly 2. Cylinder head assembly 3. Fuel leak-off pipe 4. Fuel supply pump 1. No. 1 injection pipe 2. No. 2 injection pipe 3. No. 3 injection pipe 4. No. 4 injection pipe 5. Common rail (fuel rail) assembly 6. Fuel supply pump 7. Fuel pipe 15. Common rail assembly removal 1. Disconnect the harness connector from the fuel pressure sensor. 2. Remove the common rail assembly from the inlet cover and the common rail bracket. 13. Fuel pipe removal 3. Remove the common rail bracket from the oil cooler assembly.